US Bridges

Pr 111 18.5 KM over Guatemala River

GoodPosted for load

San Sebastian Municipio, Puerto Rico · 1 KM N W of San Sebastian · Structure no. 014271

Built
1978
47 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
19,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 111 18.5 KM over Guatemala River is a prestressed concrete stringer/multi-beam or girder carrying Pr 111 18.5 KM over Guatemala River in San Sebastian Municipio, Puerto Rico. It was built in 1978, so it is 47 years old, younger than the Puerto Rico average of 51.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 19,100 vehicles a day, roughly 5% of them trucks, projected to reach 26,400 by 2025. The structure is 120 ft (36.6 m) long and 51 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesPr 111 18.5 KM
CrossesGuatemala River
Location1 KM N W of San Sebastian
RouteState Highway 111
CountySan Sebastian Municipio
StatePuerto Rico
Coordinates18.345, -66.9967
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span118 ft (35.9 m)
Deck width51 ft (15.5 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,100 (2017)
Projected traffic26,400 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$57,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 111 18.5 KM over Guatemala River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Pr 111 18.5 KM over Guatemala River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Pr 111 18.5 KM over Guatemala River carry?

About 19,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 111 18.5 KM over Guatemala River?

The structure is 120 ft (36.6 m) long with a longest span of 118 ft (35.9 m) and a deck 51 ft wide.

Who owns Pr 111 18.5 KM over Guatemala River?

It is owned by the State Highway Agency.